International Correspondence Schools · Scranton, The Colliery engineer company · leaf 79
lines are neartogether, is to place oneedge of a triangle, as ah,Fig. 98, on the given line cd, and lay the other triangle, as B,against one of the two edges, holding it fast with the left hand ;then move the triangle A along the edge of B. The edge a b willbe parallel to the line cd ; and when the…
Lettering · Sign painting
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
